Pith Number

pith:EGC3JCOA

pith:2021:EGC3JCOAKDI2JUDMKCLEIVWZBU

not attested not anchored not stored refs pending

Inverse Problem of Nonlinear Schr\"odinger Equation as Learning of Convolutional Neural Network

Yiran Wang, Zhen Li

arxiv:2107.08593 v1 · 2021-07-19 · math.NA · cs.LG · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGC3JCOAKDI2JUDMKCLEIVWZBU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:58:50.620676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2185b489c050d1a4d06c50964456d90d2b94c0492e7627c8cb853a7bf66bd828

Aliases

arxiv: 2107.08593 · arxiv_version: 2107.08593v1 · doi: 10.48550/arxiv.2107.08593 · pith_short_12: EGC3JCOAKDI2 · pith_short_16: EGC3JCOAKDI2JUDM · pith_short_8: EGC3JCOA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EGC3JCOAKDI2JUDMKCLEIVWZBU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2185b489c050d1a4d06c50964456d90d2b94c0492e7627c8cb853a7bf66bd828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddd56627f1021a4a691c4bf0efeb6472e7e551da03ff3331d43c588b63c50342",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-07-19T02:54:37Z",
    "title_canon_sha256": "90dbc98b265faff84fb5805bdaebcdea43d58499443010ccd93d4a97a4603a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08593",
    "kind": "arxiv",
    "version": 1
  }
}